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A concurrent operating CDRAM for low cost multi-media

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7 Author(s)
Yamazaki, A. ; LSI Res. & Dev. Lab., Mitsubishi Electr. Corp., Itami, Japan ; Dosaka, K. ; Ogawa, T. ; Kuroiwa, M.
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This paper describes a concurrent operating cache DRAM (CDRAM) for low cost multi-media systems, in which the program and graphic data coexist in the main memory. The concurrent operation of the DRAM and SRAM completely removes the idle cycles. As a result, the average access time is equal to the SRAM access time of 6.5 ns with 0.6 /spl mu/m CMOS process. The flash write and direct read/write are also useful for the multi-media systems.

Published in:

VLSI Circuits, 1993. Digest of Technical Papers. 1993 Symposium on

Date of Conference:

19-21 May 1993